User Account

All Pages

What is the value of the standard deviation

Assignment Help Basic Statistics
Reference no: EM13884122

Use the following frequency distribution (of SAMPLE DATA)in answering the questions: class 0-10 f=10; class 10-20 f=20; class 20-30 f=40; class 30-40 f=20; class 40-50 f=10.

QUESTION 1- What is the midpoint of the 3rd class?

QUESTION 2- What is the total number of observations in the frequency distributuion?

QUESTION 3- What is the relative frequency of the 3rd class?

QUESTION 4- In the formula for the standard deviation in this problem do you use "N' or "n-1"?

QUESTION 5- What is the value of the mean?

QUESTION 6- What is the value of the standard deviation?

Reference no: EM13884122

Questions Cloud

Low-cost loan at an interest rate : The adipic acid plant described in Examples 9.5 and 9.9 is to be built in China, with a location factor of 0.85. The cost estimate needs to be updated from 2006 to 2012. Up to 45% of the total investment can be secured as a low-cost loan at an int..
Write the null and research hypotheses : Write the null and research hypotheses for the following description of a research study: A group of middle-aged men was asked to complete a questionnaire on their attitudes toward work and family. Each of these men is married and has at least two..
Find one independent variable and one dependent variable : For the following situations name at least one independent variable (and the levels of that variable) and one dependent variable -A research project where the topic of interest is achievement.
What is the value of the standard deviation : Use the following frequency distribution (of SAMPLE DATA)in answering the questions: class 0-10 f=10; class 10-20 f=20; class 20-30 f=40; class 30-40 f=20; class 40-50 f=10. What is the value of the standard deviation
Arbitrary stable complex signal without any symmetry : 1.Consider the system in Figure with H0(z), H1(z), and H2(z) as the system functions of LTI systems. Assume that x[n] is an arbitrary stable complex signal without any symmetry properties.(...)
Product in the manufacture of ethylene : Acetylene is formed as a by-product in the manufacture of ethylene. It is removed by selective hydrogenation using noble metal catalysts (see, for example, US 7,453,017). A particular catalyst achieves 90% acetylene saturation with 50% hydrogen se..
What are delta g and k at 600 degrees? : What are Delta G and K at 600 degrees?
Determine the critical value for a left-tailed test : Determine the critical value for a left-tailed test of a population mean at the α=0.005 level of significance based on a sample size of n = 30

Reviews

Write a Review

Basic Statistics Questions & Answers

  The interquartile range is used as a measure of variability

the interquartile range is used as a measure of variability to overcome what difficulty of the range?a. the range is

  According to the records of an eletric company sering the

according to the records of an eletric company sering the boston area the monthly electric consumption during winter

  A multiple-choice test consists of 77 questions with

a multiple-choice test consists of 77 questions with possible answers of a b c d e. estimate the probability that with

  Usually statisticians use an alpha level of either 001 or

usually statisticians use an alpha level of either 0.01 or 0.05 or 0.10. describe what a statistician is trying to

  An instructor is interested in checking whether attending

an instructor is interested in checking whether attending labs improves students performance on their finals. the

  Testing the population means

A random sample results in 1 = 20 with n1 = 100. The population standard deviation is σ1 = 6. Another sample was selected independently resulting in 2 = 22 with n2 = 100. The population standard deviation is σ2 = 7. Test that the population means ..

  Equation of the regression line

Using the following information, find the equation of the regression line, and predict the heart rate when 0.27 milligrams of the drug is used.

  The lifetimes of brakes manufactured by company a are

the lifetimes of brakes manufactured by company a are random with density function gxbegincases frac18e-x8 amp xgt0 0

  The american veterinary association claims that the annual

the american veterinary association claims that the annual cost of medical care for dogs averages 100 with a standard

  How important is reliable data in quantitative research

This problem relates to Basic Statistics and discusses about the importance of reliable data for both quantitative and qualitative research techniques

  Evaluating probability that patient will take drug

Evaluate the probability that patient taking drug will experience flu symptoms.

  Maximizing revenue during specific month

A producer of pleasure boats wants to maximize revenue during the next month. Two types of boats are sold, x1 and x2. Type x1 sells for $40,000 and type x2 sells for $30,000. The x1 boats require 10 weeks of labor and 600 board feet of lumber each..

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

Submit Assignment

Academics

Major Subjects

Majors

Get In Touch

whatsapp: +1-415-670-9521

Phone: +1-415-670-9521

Email: [email protected]

TERMS & POLICIES

HELP & SUPPORT

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd